This spell costs {1} less to cast for each artifact you control.When Emry, Lurker of the Loch enters the battlefield, put the top four cards of your library into your graveyard.{T}: Choose target artifact card in your graveyard. You may cast that card this turn.

Players have no maximum hand size.{X}{X}, {T}: Each player draws X cards.{2}{U}, {T}: Each opponent puts a number of cards equal to the number of cards in their hand from the top of their library into their graveyard.

This spell costs {1} less to cast for each instant and sorcery card in your graveyard.You have no maximum hand size.At the beginning of your upkeep, put a knowledge counter on The Magic Mirror, then draw a card for each knowledge counter on The Magic Mirror.